A R D C, Aircraft Research & Design Centre Design Engineer Interview Questions and Answers for Experienced

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Q1. Current work load
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Currently managing multiple projects with varying deadlines and priorities.
• Balancing workload by prioritizing tasks based on deadlines and importance

• Utilizing project management tools to track progress and allocate resources efficiently

• Communicating with team members and stakeholders to ensure alignment on project goals and timelines
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Q2. About the company related work
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Q3. About working experience and current working details
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Q1. Family background & privious company background
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Q2. Salary & company policy
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Metting with top management

Q1. What is bgp protocol
Ans. 
BGP (Border Gateway Protocol) is a standardized exterior gateway protocol used to exchange routing information between different autonomous systems on the internet.
• BGP is used to make routing decisions based on network policies, rules, and attributes.

• It is a path vector protocol that allows routers to share information about the best path to reach a certain destination network.

• BGP operates on TCP port 179 and uses TCP ...read more
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Q2. What is ospf protocol
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OSPF (Open Shortest Path First) is a routing protocol used to find the best path for data packets in IP networks.
• OSPF is a link-state routing protocol

• It uses Dijkstra's algorithm to calculate the shortest path

• OSPF routers exchange link-state advertisements (LSAs) to build a topology database

• It supports VLSM (Variable Length Subnet Masking) and CIDR (Classless Inter-Domain Routing)
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Q1. Questions regarding different CAD softwares
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Q2. Questions regarding automobile parts
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Q1. Designing of different Parts in UG NX
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Designing of different parts in UG NX
• UG NX is a computer-aided design software used for designing various parts

• Designing parts in UG NX involves creating 3D models, defining dimensions, and adding features

• The software offers a wide range of tools and features for efficient part design

• Examples of parts that can be designed in UG NX include mechanical components, electrical enclosures, and consumer products
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Q1. Your self introduction
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Q2. Software skill about catia
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Q1. 1. Creo related all questions 2. GD&T 3. sheet metal / casting 4. Basic engineering questions
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Q2. Hole to hole distance ( max/min) with a feature control frame with MMC modifier at specific diameter
Ans. 
The hole to hole distance with a feature control frame with MMC modifier at a specific diameter is determined by the geometric tolerance specified in the feature control frame.
• The maximum and minimum distances between the holes are determined by the size of the feature control frame and the MMC modifier.

• The MMC modifier allows for the maximum material condition of the part, which affects the allowable tolerance for the...read more
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Q3. Explain bonus tolerance concept.
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Bonus tolerance is an additional tolerance allowed beyond the basic tolerance to ensure proper fit and function of parts.
• Bonus tolerance is used to compensate for variations in manufacturing processes or materials.

• It is typically added to the upper limit of the basic tolerance to ensure proper functionality.

• Bonus tolerance is often specified in engineering drawings to ensure parts can still fit together within acceptab...read more
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Q4. Detailed explanation of a feature control frame.
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A feature control frame is a symbol used in engineering drawings to specify geometric tolerances and control the location, orientation, and form of features.
• It consists of geometric characteristic symbols, tolerance values, and datum references.

• The geometric characteristic symbol indicates the type of tolerance (e.g. position, concentricity, flatness).

• Tolerance values specify the allowable deviation from the perfect ge...read more
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Q5. What is the similarity of circularity and circular run out?
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Circularity and circular run out are both measurements of how well a circular object conforms to its intended shape.
• Circularity measures the overall roundness of a circle, while circular run out measures the variation in the center point of the circle as it rotates.

• Both measurements are important in ensuring the proper functioning of rotating parts in machinery.

• For example, in a car engine, circularity ensures that pis...read more
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Explain your current projects roles

Q1. Various question based on your current role
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Q1. What is gd&t and what is the use of gd&t
Ans. 
GD&T stands for Geometric Dimensioning and Tolerancing. It is a system for defining and communicating engineering tolerances.
• GD&T is a symbolic language used on engineering drawings to specify the allowable variations in form, size, and orientation of features.

• It helps to ensure that parts and assemblies will fit together and function properly.

• GD&T uses symbols such as concentricity, flatness, perpendicularity, and pos...read more
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Q2. Explain about 321 principle
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The 321 principle is a design principle that involves prioritizing features based on their importance and impact.
• 3 - Must-have features that are essential for the product

• 2 - Should-have features that are important but not critical

• 1 - Nice-to-have features that are desirable but not necessary

• Prioritizing features based on their impact on the overall design and user experience
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